Home / 15,171.47-22,727.16-7,155.26

Finding the Fourth Proportional to 15,171.47, 22,727.16 and 7,155.26

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Solution

The fourth proportional to 15,171.47, 22,727.16 and 7,155.26 is: 10,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.47 : 22,727.16 = 7,155.26 : x
  2. Step 2: Convert to fraction form
    15,171.47/22,727.16 = 7,155.26/x
  3. Step 3: Cross multiply
    15,171.47x = 22,727.16 × 7,155.26
  4. Step 4: Simplify right side
    15,171.47x = 162,618,625.23
  5. Step 5: Solve for x
    x = 162,618,625.23/15,171.47
  6. Step 6: Final answer
    x = 10,718.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.